Prince Aethelwulf finds himself subject to the Vikings' battle master plan. Ecbert remains behind with a plan of his own.
- Directed by
- Ben Bolt
- Written by
- Michael Hirst
Guest stars
Alex Høgh Andersen
Ivar Lothbrok / Ivar the Boneless
Jordan Patrick Smith
Ubbe Lothbrok
Marco Ilsø
Hvitserk Lothbrok
Peter Franzén
King Harald Finehair
Moe Dunford
Aethelwulf
Jasper Pääkkönen
Halfdan the Black
Josefin Asplund
Astrid
Ida Marie Nielsen
Margrethe
Jonathan Rhys Meyers
Bishop Heahmund
Jennie Jacques
Judith
Philip O'Sullivan
Bishop Edmund
- I
Isaac O'Sullivan
Alfred
All episodes — Season 4
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S4 E1A Good Treason
Feb 18, 20167.747 min
A dangerously ill Ragnar returns to Kattegat, where his suspected death kicks off a scramble to succeed him. Meanwhile, Lagertha engages in a power struggle with her calculating, former second in command, Kalf. Rollo betrays his heritage an
S4 E2Kill the Queen
Feb 25, 20167.444 min
As Ragnar and Floki remain at odds, Rollo makes great efforts in Paris to win over his new bride, Princess Gisla. Meanwhile, King Ecbert sets the task for his son Aethelwulf to rescue Queen Kwenthrith.
S4 E3Mercy
Mar 3, 20167.449 min
Floki learns of the heavy price he has paid for his actions. Rollo finds an unlikely ally in Count Odo. Bjorn has to fight a fierce opponent in the wilderness.
S4 E4Yol
Mar 10, 20167.444 min
King Aelle goes to Wessex for Christmas and is not impressed with how family relations are developing. Rollo's future hangs in the balance.
S4 E5Promised
Mar 17, 20167.245 min
There's an air of betrayal as those whom Odo trusts plot against him. Ecbert agrees to support Kwenthrith in Mercia. Pregnancy brings happiness to Lagertha and Kalf and a marriage is arranged.
S4 E6What Might Have Been
Mar 24, 20167.244 min
Ragnar declares another raid on Paris at the Thing in Kattegat. Ecbert also has a journey in mind as he dispatches Aethelwulf and Alfred on a pilgrimage to Rome.